For more than twenty-five years my mind had been deeply troubled by the fact that these mechanical and scientific achievements ofman had outrun his intellectual and spiritual power. ...Throughout the Second World War this terrible problem hung in the back of my mind. As I write these words the problem and the danger are as threatening as ever. We hope our nation will survive, but in its effort to survive will it transform itself intellectually and spiritually into the image of the thing against which we fought?